The boxed version of openSUSE may be the best choice. You will get a complete user manual, install DVD biarch media for just plug into your DVD drive and the DVD will automatically recognize x86 32- and 64-bit systems. All of this comes with 90 days of end-user installation support via email or phone. The openSUSE 11.3 Box is delivered with balsam extensions as a second bootable openSUSE Live DVD. This DVD includes a special plasma-netbook image giving you an outlook on the next generation of netbook interfaces.

System Requirements:

openSUSE 11.3 supports most PC hardware components. Your system should meet the following requirements to ensure smooth operation:  
Processor: Intel* Pentium* 1-4 and Xeion*; AMD* Duron*, Athlon*, Athlon XP, Athlon MP, Athlon 64, Sempron and Opteron*.
Main Memory: At least 256 MB (512 MB recommended).  
Hard Disk: At least 500 MB (for minimal system), 3 GB (for standard system).  
Sound and Graphics Cards: openSUSE supports most modern sound and graphics cards.